Raspberry Amok Installation

<source lang="bash">

1. !/bin/bash

1. CONFIG

REPOSITORY="deb http://security.debian.org testing/updates main contrib non-free" WVDIAL_CONF="/etc/wvdial.conf" APT_SOURCES="/etc/apt/sources.list" USB_DEV="/dev/ttyUSB0" USB_BAUD="9600" GSM_DST="internet.t-d1.de" GSM_USER="internet" GSM_PASS="t-d1" GSM_NUMBER="*99#" PPPD="/usr/sbin/pppd" PAP_SECRETS="/etc/ppp/pap-secrets" CHAP_SECRETS="/etc/ppp/chap-secrets"

1. CHECK PARAMETERS

USAGE="USAGE: $0 USERNAME GROUPNAME SIM-PIN" if [ $UID != 0 ]; then echo "only root can execute this script!" exit 1 fi

USERNAME=$1 if [ "$USERNAME" = "" ]; then echo "missing USERNAME" echo $USAGE exit 10 fi

GROUPNAME=$2 if [ "$GROUPNAME" = "" ]; then echo "missing GROUPNAME" echo $USAGE exit 11 fi

PIN=$3 if [ "$PIN" = "" ]; then

       echo "missing SIM-PIN"
       echo $USAGE
       exit 11

fi

1. INSTALL PACKAGES

if ! command -v wvdial >/dev/null 2>&1; then echo "'wvdial' is not installed - installing it"

RESULT=`grep "$REPOSITORY" $APT_SOURCES 2> /dev/null` if [ "$RESULT" != "$REPOSITORY" ]; then echo "adding repository to $APT_SOURCES" echo -e "\n$REPOSITORY" >> $APT_SOURCES else echo "repository already in $APT_SOURCES" fi apt-get update apt-get install -y wvdial else echo "'wvdial' is already installed" fi

1. WRITE CONFIG

CONFIG="" CONFIG="${CONFIG}\n[Dialer Defaults]" CONFIG="${CONFIG}\nInit2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0" CONFIG="${CONFIG}\nModem Type = Analog Modem" CONFIG="${CONFIG}\nISDN = 0" CONFIG="${CONFIG}\nInit1 = ATZ" CONFIG="${CONFIG}\nModem = $USB_DEV" CONFIG="${CONFIG}\nBaud = $USB_BAUD" CONFIG="${CONFIG}\n" CONFIG="${CONFIG}\n[Dialer pin]" CONFIG="${CONFIG}\nInit3 = AT+CPIN=$PIN" CONFIG="${CONFIG}\n" CONFIG="${CONFIG}\n[Dialer connect]" CONFIG="${CONFIG}\nCarrier Check = no" CONFIG="${CONFIG}\nInit4 = AT+CGDCONT=1,\"IP\",\"$GSM_DST\"" CONFIG="${CONFIG}\nStupid Mode = 1" CONFIG="${CONFIG}\nPhone = $GSM_NUMBER" CONFIG="${CONFIG}\nDialer Command = ATD" CONFIG="${CONFIG}\nDial Attemps = 2" CONFIG="${CONFIG}\nUsername = $GSM_USER" CONFIG="${CONFIG}\nPassword = $GSM_PASS"

echo -e "$CONFIG" > $WVDIAL_CONF chmod u=rw,go=r $WVDIAL_CONF echo "wrote '$WVDIAL_CONF'"

1. CHANGE SOME PERMISSIONS TO BE ABLE TO EXECUTE AS NON-ROOT

adduser $USERNAME dip adduser $USERNAME dialout

echo "changing permissions of ppp-files" chmod o+x,g+s $PPPD chown $USERNAME:$GROUPNAME $PAP_SECRETS chown $USERNAME:$GROUPNAME $CHAP_SECRETS </source>